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Scores on a Test Have a Mean of 70 and Q3

Question 191

Multiple Choice

Scores on a test have a mean of 70 and Q3 is 83. The scores have a distribution that is approximately normal. Find P90. (You will need to first find the standard deviation.)


A) 94.8
B) 92.9
C) 93.7
D) 95.6

Correct Answer:

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